Senior Infrastructure Engineer

Location: London (Hybrid Working)
Salary: Up to £55,000 (DOE)

Join a Growing Managed Services Provider

We're looking for an experienced Senior Infrastructure Engineer to join a well-established and expanding Managed Services Provider in London. This is an excellent opportunity for someone who enjoys solving complex technical challenges, leading infrastructure projects, mentoring engineers, and working closely with a diverse client base.

Previous MSP experience is desirable for this position.

The Role

As a Senior Infrastructure Engineer, you'll act as a senior technical escalation point, bridging high-level support with infrastructure project delivery. You'll take ownership of complex environments, provide technical leadership, and help deliver modern cloud and infrastructure solutions for a wide range of clients.

This is a hybrid role offering excellent career progression, ongoing training, and the opportunity to work with the latest technologies.

Key Responsibilities

• Act as the senior escalation point for complex 3rd Line infrastructure issues.
• Lead infrastructure projects including server migrations, Microsoft Azure deployments, virtualisation, and network upgrades.
• Design, implement and support secure, resilient IT infrastructures.
• Work directly with clients to deliver technical solutions and trusted advice.
• Mentor junior engineers and promote technical best practices across the team.
• Produce clear technical documentation and infrastructure recommendations.
• Ensure environments remain secure, compliant and aligned with industry best practices.

Technical Skills & Experience

We're looking for candidates with strong experience across most of the following:

• Previous experience working within a Managed Service Provider (MSP).
• Windows Server, Active Directory, Group Policy, DNS and DHCP.
• Microsoft Azure, Azure AD, Virtual Machines and cloud infrastructure.
• VMware and/or Hyper-V virtualisation.
• Networking including VLANs, TCP/IP, VPNs, routing and switching.
• Firewall technologies such as Fortinet, WatchGuard, Palo Alto or Juniper.
• Backup and disaster recovery solutions including Veeam, Cove or Acronis.
• Storage platforms including Synology and Dell PowerVault.
• Microsoft Defender, Sophos or other endpoint security platforms.
• Experience leading technical projects from planning through to completion.
• Excellent communication and client-facing skills.

What's on Offer?

• Salary up to £55,000, depending on experience.
• Hybrid working.
• Ongoing training, certifications and professional development.
• Clear progression opportunities within a growing technical team.
• Company-funded social events and employee recognition programmes.
• Referral bonus scheme.
• 22 days annual leave plus Bank Holidays, increasing with length of service.

The client is looking to fill this opportunity immediately, so please apply ASAP or feel free to drop me an email with any questions to owen @ serlimited . com.

SER-IN